Diamond Hill Montessori School
BERKELEY HEIGHTS, NJ·Licensed Child Care CenterLicensed
Contact information
Address105 Diamond Hill Rd, Berkeley Heights, NJ, 07922
CityBERKELEY HEIGHTS, NJ 07922
CountyUnion
Phone908-464-5051
Operating details
Capacity68
Compliance snapshot
Last inspection: 6/9/2026 · Counts cover the full published inspection history; search results show the past 2 years.
- High12
- Medium-High11
- Medium0
- Medium-Low2
- Low0
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Location
Using Address for Location
Exact coordinates aren't available, but you can view this location at:
105 Diamond Hill Rd, Berkeley Heights, NJ, 07922, BERKELEY HEIGHTS, NJ 07922
Questions to ask on a tour
Chosen for this facility's inspection history and profile — bring them along on your visit.
- Ask how they keep enrollment, immunization, and emergency-contact records current - their state findings include documentation lapses
- Ask about the lead teacher's Montessori training and how closely the classroom follows the method
- Ask about teacher-to-child ratios and how supervision is maintained through the day
- Ask about their illness policy and which symptoms require a child to stay home
Violation summary
Last 2 years · Last inspection: 6/9/2026
- High12
- Medium-High11
- Medium0
- Medium-Low2
- Low0
2026
- High risk6/9/2026
N.J.A.C. 3A:52-4.3(a)(1) — Ensure that children are adequately tracked at all times and staff are aware of the number of children in their care, specifically, in Room 1.
Ensure that children are adequately tracked at all times and staff are aware of the number of children in their care, specifically, in Room 1. Regulation: The center shall develop and implement an Office of Licensing-approved method to keep track of the location and ensure the safety of all children at all times when under the center’s supervision, including the transfer of supervision from and to parents during arrival and departure and the utilization of off-site locations, including playgrounds and field trips.
Corrected 7/2/2026 - Medium-High risk6/9/2026
N.J.A.C. 3A:52-5.2(b) — Repair or replace the emergency lighting above the Room 3 entryway on the second floor as it is operable but, in disrepair.
Repair or replace the emergency lighting above the Room 3 entryway on the second floor as it is operable but, in disrepair. Regulation: An applicant seeking a license or a Certificate of Life/Safety Approval to operate a center shall comply with all applicable provisions of the New Jersey Uniform Fire Code, as specified in N.J.A.C. 5:70 and hereinafter referred to as the NJUFC. The center shall obtain the building's fire safety inspection certificate issued by the municipality in which it is located, based on a fire inspection conducted within the preceding 12 months, reflecting the center's compliance with all applicable provisions of the NJUFC. The center shall maintain on file the building's fire safety inspection certificate.
Corrected 7/2/2026 - Medium-High risk6/9/2026
N.J.A.C. 3A:52-5.2(b) — Ensure the center's fire protective systems are operative at all times. The center's fire panel displayed a TROUBLE reading. The center's monitoring service was called while the inspector was present and it was confirmed hat the ce
Ensure the center's fire protective systems are operative at all times. The center's fire panel displayed a TROUBLE reading. The center's monitoring service was called while the inspector was present and it was confirmed hat the center was still being monitored despite the TROUBLE reading. Regulation: An applicant seeking a license or a Certificate of Life/Safety Approval to operate a center shall comply with all applicable provisions of the New Jersey Uniform Fire Code, as specified in N.J.A.C. 5:70 and hereinafter referred to as the NJUFC. The center shall obtain the building's fire safety inspection certificate issued by the municipality in which it is located, based on a fire inspection conducted within the preceding 12 months, reflecting the center's compliance with all applicable provisions of the NJUFC. The center shall maintain on file the building's fire safety inspection certificate.
Corrected 6/9/2026 - Medium-High risk3/26/2026
N.J.A.C. 3A:52-5.2(b) — Ensure that all emergency lighting is operable at all times throughout the center, specifically, in Room 1, Room 3, and above the emergency exit located on the second floor. 4/27/2026: Ensure that all emergency lighting is operable
Ensure that all emergency lighting is operable at all times throughout the center, specifically, in Room 1, Room 3, and above the emergency exit located on the second floor. 4/27/2026: Ensure that all emergency lighting is operable at all times throughout the center, specifically, the emergency lighting above the emergency exit located on the second floor. Regulation: An applicant seeking a license or a Certificate of Life/Safety Approval to operate a center shall comply with all applicable provisions of the New Jersey Uniform Fire Code, as specified in N.J.A.C. 5:70 and hereinafter referred to as the NJUFC. The center shall obtain the building's fire safety inspection certificate issued by the municipality in which it is located, based on a fire inspection conducted within the preceding 12 months, reflecting the center's compliance with all applicable provisions of the NJUFC. The center shall maintain on file the building's fire safety inspection certificate.
Corrected 6/9/2026 - High risk3/26/2026
N.J.A.C. 3A:52-5.3(l) — Maintain a written emergency plan in a readily accessible location that includes all required components, specifically, the procedures to follow in the event of a lockdown.
Maintain a written emergency plan in a readily accessible location that includes all required components, specifically, the procedures to follow in the event of a lockdown. Regulation: (l) Emergency procedure requirements are as follows: 1. The center shall prepare written emergency procedures delineating: i. The location of the first aid kit and any additional first aid supplies; ii. The name, address and telephone number of the physician retained by the center or of the health facility to be used in emergencies; iii. An alternate indoor location that operates during the same operating hours as the center. The center shall: (1) Select an alternate indoor location within safe walking distance; or (2) Develop a written procedure for obtaining emergency transportation to the alternate location; iv. The hospital or clinic to which injured or ill children will be taken; v. The telephone numbers for obtaining police, fire, ambulance and poison control services, including the National Poison Emergency Hotline at (800) 222-1222; vi. The location of written authorization from parent(s) for emergency medical care for each child; vii. A diagram showing how the center is to be evacuated in case of emergency from each classroom and the outdoor play area; viii. The location of fire alarms and fire extinguishers; and ix. Procedures for ensuring children’s safety and communicating with parents in the event of evacuation, lockdown, natural or civil disaster, and other emergencies. The procedures shall indicate: (1) The plan for informing parents of their children’s whereabouts; and (2) The local law enforcement agency or emergency management office that has been notified of the center’s identifying information, as specified in (l)3 below. 2. The emergency procedures shall be readily accessible in a designated location within the center. 3. The center shall ensure that the appropriate local law enforcement agency or emergency management office is notified of: i. The center’s name
Corrected 7/2/2026 - Medium-High risk3/26/2026
N.J.A.C. 3A:52-5.4(a)(7)(iii) — Repair the gate located in the emergency egress on the side of the building as it is currently unable to close easily.
Repair the gate located in the emergency egress on the side of the building as it is currently unable to close easily. Regulation: For early childhood programs, the following shall apply, outdoor space requirements for children over the age of 10 months are as follows: outdoor areas located near or adjacent to hazardous areas determined by the Office of Licensing to be unsafe (including, but not limited to, streets, roads, driveways, parking lots, railroad tracks, swimming pools, rivers, streams, steep grades, cliffs, open pits, high voltage boosters, or propane gas tanks) shall be fenced or otherwise protected by a natural or man-made barrier or enclosure.
Corrected 6/9/2026 - Medium-Low risk3/26/2026
N.J.A.C. 3A:52-4.1(d) — Obtain and maintain on file at the center all documents listed on the staff records checklist, specifically, the Mantoux test results and medical clearance for 1 staff member.
Obtain and maintain on file at the center all documents listed on the staff records checklist, specifically, the Mantoux test results and medical clearance for 1 staff member. Regulation: the Staff Records Checklist for the current director and all staff members currently working at the center shall be maintained on file at the center.
Corrected 4/27/2026 - High risk3/26/2026
N.J.A.C. 3A:52-4.10(a) — Ensure that CARI background checks are completed as required for the sponsor/sponsor representative and all regularly scheduled staff for the center's license renewal.
Ensure that CARI background checks are completed as required for the sponsor/sponsor representative and all regularly scheduled staff for the center's license renewal. Regulation: As a condition of securing a new or renewal license or Certificate of Life/Safety Approval, the sponsor or sponsor representative shall provide for himself or herself, and shall obtain from all staff members who are or will be working at the center on a regularly scheduled basis, written consent for the Department to conduct a Child Abuse Record Information (CARI) background check to determine whether an incident of child abuse or neglect has been substantiated against any such person. If a staff member refused to consent to a CARI background check, the sponsor or sponsor representative shall immediately terminate the staff member's employment at the center.
Corrected 7/2/2026 - High risk3/26/2026
N.J.A.C. 3A:52-4.11(a) — Ensure that a CHRI background check is completed as required for 1 regularly scheduled staff.
Ensure that a CHRI background check is completed as required for 1 regularly scheduled staff. Regulation: As a condition of securing a license or Certificate of Life/Safety Approval, the sponsor or sponsor representative shall ensure that a Criminal History Record Information (CHRI) fingerprint background check is completed for himself or herself, and for all staff members at least 18 years of age who are or will be working at the center on a regularly- scheduled basis, to determine whether any such person has been convicted of a crime, as specified in P.L. 2000, c. 77 (N.J.S.A. 30:5B-6.10 to 6.17). If a staff member refuses to consent to a CHRI background check, the sponsor or sponsor representative shall immediately terminate the staff member’s employment at the center.
Corrected 4/27/2026 - High risk3/26/2026
N.J.A.C. 3A:52-7.5(b)(10) — Ensure Epi-pens are stored in their original boxes with the child's name and prescription, accompanied by a special care plan that includes procedures for contacting parents and emergency medical services, and both epi-pens are
Ensure Epi-pens are stored in their original boxes with the child's name and prescription, accompanied by a special care plan that includes procedures for contacting parents and emergency medical services, and both epi-pens are present when two are required. Regulation: (9) The center shall develop and follow a policy on the administration of medication and health care procedures to children, which shall include the following provisions: before administering a health care procedure associated with a child’s health condition, such as the use of a blood glucose monitor, nebulizer, or epinephrine pen, the center shall ensure that all staff members who administer the procedure are taught to do so by the child’s parent or another appropriately-trained person. There shall be at least two staff members present at the center who are trained in such health care procedures. 10. The center shall store prescribed epinephrine pens in their original boxes with the child’s name and prescription. A special care plan or other documentation from a health care provider shall accompany the epinephrine pen. If two epinephrine pens are required, both shall be available. Each center under the jurisdiction of N.J.S.A. 18A:40-12.5 shall store back-up epinephrine pens on site consistent with the requirements stated at N.J.S.A. 18A:40- 12.5.e(1).
Corrected 7/2/2026 - High risk3/26/2026
N.J.A.C. 3A:52-5.3(m)(2) — Replace the missing door knobs to the storage closet door located on the second floor in the hallway by Room 3.
Replace the missing door knobs to the storage closet door located on the second floor in the hallway by Room 3. Regulation: Supplemental evacuation requirements are as follows: cribs, beds, playpens, and cots used for rest or sleep shall be arranged so as to provide access to a three-foot-wide aisle that leads to an unobstructed exit.
Corrected 4/27/2026 - Medium-High risk3/26/2026
N.J.A.C. 3A:52-5.3(a)(1) — Ensure that the 2 classroom sinks located in Room 1 are dispensing a supply of hot water not exceeding 110 degrees Fahrenheit. 4/27/2026: Ensure that the 1 classroom sink located in Room 1 is dispensing a supply of hot water no
Ensure that the 2 classroom sinks located in Room 1 are dispensing a supply of hot water not exceeding 110 degrees Fahrenheit. 4/27/2026: Ensure that the 1 classroom sink located in Room 1 is dispensing a supply of hot water not exceeding 110 degrees Fahrenheit. Regulation: (a) Indoor maintenance and sanitation requirements are as follows: 1. The center shall be free of moisture resulting from water leaks or seepage. 2. Floors, carpeting, walls, window coverings, ceilings, and other surfaces shall be kept clean and in good repair. 4. Carpeting shall be securely fastened to the floor. 9. Toilets, wash basins, kitchen sinks, and other plumbing shall be maintained in good operating and sanitary condition.
Corrected 7/2/2026 - Medium-High risk1/12/2026
N.J.A.C. 3A:52-5.3(a)(1) — Based on Complaint #24853, ensure that safe conditions are maintained at all times throughout the center including the testing and removal of potential hazards.
Based on Complaint #24853, ensure that safe conditions are maintained at all times throughout the center including the testing and removal of potential hazards. Regulation: (a) Indoor maintenance and sanitation requirements are as follows: 1. The center shall be free of moisture resulting from water leaks or seepage. 2. Floors, carpeting, walls, window coverings, ceilings, and other surfaces shall be kept clean and in good repair. 4. Carpeting shall be securely fastened to the floor. 9. Toilets, wash basins, kitchen sinks, and other plumbing shall be maintained in good operating and sanitary condition.
Corrected 4/27/2026
2025
- High risk9/25/2025
N.J.A.C. 3A:52-4.8(a) — Based on complaint #24576, ensure that the center staff is retrained on appropriate and positive interactions between the staff and the children.
Based on complaint #24576, ensure that the center staff is retrained on appropriate and positive interactions between the staff and the children. Regulation: (a) Topics of orientation training shall include all of the following: 1. Supervising and tracking all children, as specified in N.J.A.C. 3A:52-4.3(a); 2. Understanding center operations, policies and procedures, as specified in N.J.A.C. 3A:52-4.5(b)3; 3. Implementing group size limits and primary caregiver responsibilities, as applicable, as specified in N.J.A.C. 3A:52-4.4; 4. Recognizing and reporting child abuse or neglect, as specified in N.J.A.C. 3A:52-4.9; 5. Evacuating the center and using the fire alarms, as specified in N.J.A.C. 3A:52-5.3(l); 6.Implementing the center’s release policy, as specified in N.J.A.C. 3A:52-6.5; 7. Implementing the center's statement of policy on the disciplining of children, as specified in N.J.A.C. 3A:52-6.6; 8. Implementing health practices, including medication administration and responding to symptoms of illness, as specified in N.J.A.C. 3A:52-7.1 through 7.11; 9. Implementing safe sleep practices to prevent Sudden Infant Death Syndrome; 10. Preventing Shaken Baby Syndrome and Abusive Head Trauma; 11. Recognizing and responding to injuries and emergencies, including the prevention of and response to emergencies due to food-related allergies and other allergic reactions; and 12. Including children with special needs in the center’s program.
Corrected 9/25/2025 - High risk9/25/2025
N.J.A.C. 3A:52-6.6(a) — Based on complaint #24576, ensure that staff utilize positive methods of guidance and discipline, wherein a staff let a child cry and not console the child.
Based on complaint #24576, ensure that staff utilize positive methods of guidance and discipline, wherein a staff let a child cry and not console the child. Regulation: (a) The methods of guidance and discipline used shall: 1. Be positive; 2. Be consistent with the age and developmental needs of the children; and 3. Lead to the child's ability to develop and maintain self-control. (b) Staff members shall not discipline children for failing to eat or sleep or for soiling themselves. (c) Staff shall not withhold active play time as a means of discipline unless the child's actions or behavior present a danger to themselves or others. (d) Children may be removed from a group activity to another area, provided that the child so removed is either under the supervision of another staff member or continuously visible to a staff member.
Corrected 9/25/2025 - High risk9/25/2025
N.J.A.C. 3A:52-6.6(a) — Based on complaint #24576, ensure that staff utilize positive methods of guidance and discipline, wherein a staff told a child to keep crying after having their snack thrown away.
Based on complaint #24576, ensure that staff utilize positive methods of guidance and discipline, wherein a staff told a child to keep crying after having their snack thrown away. Regulation: (a) The methods of guidance and discipline used shall: 1. Be positive; 2. Be consistent with the age and developmental needs of the children; and 3. Lead to the child's ability to develop and maintain self-control. (b) Staff members shall not discipline children for failing to eat or sleep or for soiling themselves. (c) Staff shall not withhold active play time as a means of discipline unless the child's actions or behavior present a danger to themselves or others. (d) Children may be removed from a group activity to another area, provided that the child so removed is either under the supervision of another staff member or continuously visible to a staff member.
Corrected 9/25/2026 - High risk3/24/2025
N.J.A.C. 3A:52-4.3(a)(1) — Ensure that children are adequately tracked at all times and staff are aware of the number of children in their care.
Ensure that children are adequately tracked at all times and staff are aware of the number of children in their care. Regulation: The center shall develop and implement an Office of Licensing-approved method to keep track of the location and ensure the safety of all children at all times when under the center’s supervision, including the transfer of supervision from and to parents during arrival and departure and the utilization of off-site locations, including playgrounds and field trips.
Corrected 4/24/2025 - Medium-High risk1/27/2025
N.J.A.C. 3A:52-5.3(a)(1) — Ensure that all carpeting is securely fastened to the floor. In classroom 1, secure the blue rug near the kitchen, and the fuzzy rug near the library area.
Ensure that all carpeting is securely fastened to the floor. In classroom 1, secure the blue rug near the kitchen, and the fuzzy rug near the library area. Regulation: (a) Indoor maintenance and sanitation requirements are as follows: 1. The center shall be free of moisture resulting from water leaks or seepage. 2. Floors, carpeting, walls, window coverings, ceilings, and other surfaces shall be kept clean and in good repair. 4. Carpeting shall be securely fastened to the floor. 9. Toilets, wash basins, kitchen sinks, and other plumbing shall be maintained in good operating and sanitary condition.
Corrected 3/24/2025 - High risk1/27/2025
N.J.A.C. 3A:52-4.5(b)(2)(ii) — Complete and maintain at the center daily time sheets for children with arrival and departure times.
Complete and maintain at the center daily time sheets for children with arrival and departure times. Regulation: The director shall have the authority and responsibility for the implementation of policies and procedures for the day-to-day operation of the center, including maintenance of children's daily attendance records, including the daily time of arrival and departure.
Corrected 2/24/2025 - Medium-Low risk1/27/2025
N.J.A.C. 3A:52-4.6(c)(3) — Provide documentation that the group teacher meets the required qualifications as specified in the manual.
Provide documentation that the group teacher meets the required qualifications as specified in the manual. Regulation: For early childhood programs, the following shall apply: the group teacher shall meet the requirements for experience and education
Corrected 2/24/2025 - High risk1/27/2025
N.J.A.C. 3A:52-4.8(a)(1) — Ensure that all staff complete orientation training within two weeks of hire and annually. There is 1 staff missing orientation.
Ensure that all staff complete orientation training within two weeks of hire and annually. There is 1 staff missing orientation. Regulation: Topics of orientation training shall include supervising and tracking all children, as specified in N.J.A.C. 3A:52-4.3(a).
Corrected 2/24/2025 - Medium-High risk1/27/2025
N.J.A.C. 3A:52-5.2(a)(5) — Repair the inoperable emergency lights outside of room 3.
Repair the inoperable emergency lights outside of room 3. Regulation: The center shall be permitted to obtain a valid fire safety inspection certificate issued by the municipality in which it is located, based on a fire inspection conducted within the preceding 12 months, and submit a copy of the certificate to the Office of Licensing in lieu of a CO or CCO, if the center serves only children 2 ½ years of age or older and is located in a public school building that is used as a public school.
Corrected 2/24/2025 - Medium-High risk1/27/2025
N.J.A.C. 3A:52-5.2(a)(5) — Clean the emergency lights throughout the center.
Clean the emergency lights throughout the center. Regulation: The center shall be permitted to obtain a valid fire safety inspection certificate issued by the municipality in which it is located, based on a fire inspection conducted within the preceding 12 months, and submit a copy of the certificate to the Office of Licensing in lieu of a CO or CCO, if the center serves only children 2 ½ years of age or older and is located in a public school building that is used as a public school.
Corrected 2/24/2025 - Medium-High risk1/27/2025
N.J.A.C. 3A:52-5.3(a)(4) — Ensure that all carpeting is securely fastened to the floor. In classroom 1, secure the blue rug near the kitchen, and the fuzzy rug near the library area.
Ensure that all carpeting is securely fastened to the floor. In classroom 1, secure the blue rug near the kitchen, and the fuzzy rug near the library area. Regulation: Indoor maintenance and sanitation requirements are as follows: carpeting shall be securely fastened to the floor.
Corrected 2/24/2025 - Medium-High risk1/27/2025
N.J.A.C. 3A:52-5.3(a)(3) — Ensure that all stairways are free of tripping hazards. Secure the rug at the top of the stairs near classroom 4.
Ensure that all stairways are free of tripping hazards. Secure the rug at the top of the stairs near classroom 4. Regulation: Indoor maintenance and sanitation requirements are as follows: stairways shall be free of tripping hazards, such as toys, boxes, loose steps, uneven treads, torn carpeting, raised strips, or uneven risers.
Corrected 2/24/2025
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Safety & Compliance Analysis
This daycare has multiple recorded violations. Review the details to make an informed decision.
(Past 6 Months)
Parent Recommendations
Based on the violation data, here are some recommendations:
- Review the detailed violations listed above.
- Ask the daycare about their response to these violations.
- Look at the correction status to see how quickly issues were addressed.
- Schedule a visit during regular hours to observe daily operations.
Note: This analysis is based on publicly available violation data and is intended as a tool to help parents make informed decisions. Always visit a daycare in person and ask specific questions about areas of concern.
Estimated monthly cost
$949/month
This is a modeled estimate — based on location, ages served, and program data — not the provider's actual tuition. Real prices vary by age group and services. Contact the daycare for current rates, fees, and availability.
Typical prices in New Jersey run about $1,247/month for infant care at a center (federal median) — see daycare costs in New Jersey by age group.
About this daycare
- Location: BERKELEY HEIGHTS, Union County
- Capacity: 68
- Type: Licensed Child Care Center
What parents actually pay
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